Oil burner



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Patented May 4, 1926.

Parar 'rica RAYIVJIONDV F. STURGIS, OF RAHWAY, NEW JERSEY, ASSIGNOB TO'THE TORRDIGN COMPANY, or NEW YORK, n. Y.,

A CORPORATION 0F DELAW'ARE.

OIL BURNER.

Application leilFebruary 7, 1925. Serial No. 7,574.

'To @ZZ whom t may concern.'

Be it known that I, RAYMOND F. S'rUnois, a citizen of the United States, and a resident of Raliway, county Of Union, State of New Jersey, have invented certain new and useful Improvements in Gil Burners, of which the following is a specification.

This invention relates to burners for low grade fuel oils or the like, and has for its object to produce in a compact, durable and cheap form a burner which will give intense combustion for use in metal melting furnaces or similar apparatus. The invention may be applied also to household furnaces.

One feature of the invention consists of a series of superposed oil pans, each one forming a reverberatory surface by its bottom for the deflecting upon the oil of the pan below of an air blast caused to pass over the oil from one side of the pan to the other, side walls confining the air passage on the sides. Another feature of the invention involves means for maintaining oil at fixed levels iii the pans by oil level regulating devices. Another feature involves the application of a forced air blast through chiots made in the pans, a plurality of holes from the chiots directing transverse jets of air across the draft of mixed air and vapor as it issues from the pans. Other details of the invention will appear from the following description in reference to an embodiment of the invention as shown in the accompanying drawings.y in which- Figure 1 is an end view in partial section of a burner and its appurtenances, constructed according to my invention.

Figure 2 is a transverse section of the same taken on the plane of the line 2--2 of Figure 1.

posed oil pans, 1, 2 and 3. These pans are preferably made with side walls shown at et. The pans are made shallower than the side walls and the end walls are inclined or flared. The consti" ction is such that the pans can be nested in superposed relation to provide an air passage between the pans from end to end, the passage having, due to the inclinedends, first, a downward course, then a horizontal course over the surface of oil in the pans, and, finally, an upward course as it passes out of the pans. The bottom of one pan in this Way forms a defleetor for the air draft forcing the air down over the surface of the Oil. The oil is maintained at a constant level in each pan by having a suitable float control such as shown at 5, one for each pan. These fioat controls are of the usual construction, having a float 6, shown in dotted lilies, with a valve 7 controlling an opening into an oil supply pipe 8, the flow of oil to and from the oil control being established through stop cocks 9 and 10. The floats of the control mechanism are adjusted at suoli a height that the oil in each pan will come up nearly to the surface of the pan. The top pan will be used only as a vrefiector and need not be supplied with oil.

In each pan there is formed a passage 1l to which air under forced draft is supplied to pipes 12 from a blower 13, valves lebeing used to control the flow. From the passages 11 small openings 15 permit the air blast to pass out of the passages in a plurality of jets directed across the outflowing mixture of air and oil vapor, and at this point the mixture is caused to burn with its maximum intensity.

Damper plates 16 adapted to be pushed over the top of the pans from the rear furnish a means for regulating the surface of oil exposed to the draft, whereby the output and character of combustion of the burner may be further varied.

In operation, the apparatus being supplied with oil, a piece of waste or other means, is

used to set fire to the oil and the air blastr being started, combustion will proceed until the pans become heated to the proper clegree, when by proper adjustment of the -air f control valve 14, an intense degree of heat will be produced and with the air supplied lfirst by natural draft as it passes over the i oil and next by a subdivided forced draft In the drawings I have shown three superas it commences to burn, will result in complete combustion, no more air being used than is exactly required to produce this result. Instead of air being supplied to the passages 11, steam may be used for this purpose, or a combination of air and steam.

From the above description it will be evident that I have produced an oil burner for furnaces, which possesses the peculiarityV of multiple unit-s, which may be aggregated iu. combinations of 2, 3, 4 or the like, up to any number required by the demands of the furnace. Parts of each unit can, therefore, be standardized without restricting the sise of the eventual combination. It Will also be seen that each unit performs the four-fold function of en oil Container, an oil heater, an air defleotor or reverloerator, and a forced draft nozzle. It will be seen that not only can the oil be preheated to a degree sueient to veporize the same at the desired speed Without oerhonizing the seine, but that the nir blast also is preheated.

I claim 10 In an oil burner Comprising e plurality of nested pans, having air passages between thein, ine-ins for supplying oil at e constant level in each pan, and dempers slidable over the tops of the pans for Varying the surface l5 of oil exposed to the draft.

RAYMOND F. ST URGIS. 

